https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88564
J-Donald Tournier <jdtournier at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED --- Comment #4 from J-Donald Tournier <jdtournier at gmail dot com> --- OK, the MSYS2 maintainers have compiled a 20181214 snapshot which works fine. Problem solved. Thank you!